Mozilla Firefox 45 Beta 1 发布

• Instant browser tab sharing through Hello
• GTK3 integration (GNU/Linux only)
• Synced Tabs button in button bar
• Tabs synced via Firefox Accounts from other devices are now shown in dropdown area of Awesome Bar when searching
• Introduce a new preference (network.dns.blockDotOnion) to allow blocking .onion at the DNS level

Fixed

• URLs containing a Unicode-format Internationalized Domain Name (IDN) are now properly redirected

Changed

• Tab Groups (Panorama) feature removed

Developer

• Inspector search now matches results from all content in the page, including subframes
• Ability to filter snapshot output in memory tool
• Support for diffing heap snapshots added to the memory tool
• Added Negative url filtering for the network monitor
• DOMContentLoaded and load events shown in the network monitor timeline
• List of animated properties and keyframes is now displayed when clicking on an animation in the animation-inspector’s timeline
• Fine tune animations by changing the playback rate of animations in the animation-inspector’s timeline

Developer InformationHTML5

• Push API support, part of Progressive Web Apps
• Support delivery of a Content Security Policy (CSP) via a meta tag
• Web Speech synthesis API
• ES6 Classes